Home / 292,124.10-438,056.55-134,400.90

Finding the Fourth Proportional to 292,124.10, 438,056.55 and 134,400.90

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Solution

The fourth proportional to 292,124.10, 438,056.55 and 134,400.90 is: 201,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,124.10 : 438,056.55 = 134,400.90 : x
  2. Step 2: Convert to fraction form
    292,124.10/438,056.55 = 134,400.90/x
  3. Step 3: Cross multiply
    292,124.10x = 438,056.55 × 134,400.90
  4. Step 4: Simplify right side
    292,124.10x = 58,875,194,570.90
  5. Step 5: Solve for x
    x = 58,875,194,570.90/292,124.10
  6. Step 6: Final answer
    x = 201,541.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.